2013 exam Flashcards
(137 cards)
Which gene expression is regulated by DHEA?
a. Phosphodiesterase
b. Adenylate cyclase
c. PMNT
d. 11 beta HSD-I
e. 3 beta HSD
d. 11 beta HSD-I
What characterizes steroid hormones?
a. Water soluble
b. Made up from cholesterol
c. Has 3 amino acids in the structure
b. Made up from cholesterol
Graph about the insulin release after IV glucose injection and after intake of glucose in diet- What does this graph indicate?
a. Intestinal factors play a role in the release of insulin
b. When glucose is given IV the pancreatic b cells response is exaggerated
c. Ingesting food releases insulin from the gastrointestinal tract
a. Intestinal factors play a role in the release of insulin
Which of the following releases growth hormone?
a. Somatotropes
b. Lactotropes
c. Chromophobes
d. Basophils
a. Somatotropes
What plays a role in the remove of waste products and supply of nutrients by connecting the central canal to osteocytes in the bone?
a. Lamella
b. Haversian canal
c. Canaliculi
d. Osteoblasts
c. Canaliculi
Which type of cells undergo differentiation in the thymus?
a. Basophils
b. Monocytes
c. Neutrophils
d. Lymphocytes
d. Lymphocytes
A 32 year old man presented with blurred vision, headaches, and impotence. Upon an X-Ray a suprasellar calcification was seen. What other histological features do you expect?
a. Layers of cuboidal and columnar cells
b. Lymphocytic infiltration with eosinophilic cytoplasm
c. Squamous cells surrounded by a layer of cuboidal cells
d. Benign adenoma that is well encapsulated
c. Squamous cells surrounded by a layer of cuboidal cells
What stimulates the release of both glucagon & insulin?
a. Carbohydrates
b. Fatty acids
c. Amino Acids
d. Ketones
c. Amino Acids
What can help in the treatment for growth retardation in patients with Laron dwarfism?
a. Sermorelin
b. Mecasermin
c. Hexarelin
d. Somatropin
b. Mecasermin
A 45 year old man with acromegaly underwent surgery to remove a large pituitary tumour. Because surgical treatment is partially effective, he was advised to take a course of drugs that competitively block GH receptor. Which of the following drug did he most likely use?
a. Octreotide
b. Cosyntropin
c. Bromocriptine
d. Pevisomant
d. Pevisomant
Which oral drug can be used to treat excessive water retention in an elderly patient by blocking v2 directly?
a. Democycline
b. Tolvaptan
c. Lithium
d. Convaptan
e. Desmopressin
b. Tolvaptan
(graph showing increase in hormone levels during sleep) Which hormone is in the graph?
a. Cortisol
b. Growth Hormone
c. LH men
d. Prolactin
b. Growth Hormone
Which malignant tumor is 20 times more seen with Klinefelter’s syndrome than in normal males?
a. Small cell lung carcinoma
b. Medullary carcinoma
c. Breast Cancer
d. Malignant Melanoma
e. Colorectal cancer
c. Breast Cancer
Lady visited clinic and Dr. found out she has her peak in estrogen level. What will happen after 3 days?
a. Menses
b. Corpus leutem will degenerate
c. Ovulation
c. Ovulation
Low bone mass density in distal forearm and hypercalcemia is associated with what?
a. Hypoparathyrodism
b. Hyperthyroidism
c. Primary hyperparathyroidism
d. Osteomalacia
e. Rickets
c. Primary hyperparathyroidism
Why are the glycolytic intermediates better glycating agents than glucose?
a. They are activated by phosphorylation
b. They are unable to hide their reactive groups by cyclization
c. They have an intrinsic NADH
d. They easily cross membranes
e. They are produced in higher concentrations than glucose
b. They are unable to hide their reactive groups by cyclization
Which hormone plays an important role in adrenarche?
a. Testosterone
b. Estradiol
c. Progesterone
d. AD
e. DHEA
e. DHEA
A nurse treated for breast cancer for a year developed resistance against tamoxifel, which drug should she take to overcome this problem?
a. Raloxifene
b. Letrozole
c. Oral contraceptives
d. Estrogen
e. Clomiphene
b. Letrozole
(Raloxifene= Antagonistic activity in the endometrium
& breast. Doesn’t have estrogen stimulation on
breast and uterus)
A patient comes to your clinic with palpation, anxiety, hypertension, headache, and sweating. He seemed agitated and confused. What would you like to rule out before proceeding with him?
a. Myocardial infarction
b. Pheochromocytoma
c. Nephropathy
d. Disturbed Acid Base balance
b. Pheochromocytoma
A rheumatoid arthritis patient has been taking prednisolone for years. What is the most important long term side effect of glucocorticoids on such patients?
a. Hyperglycemia because they decrease insulin
b. Increased thrombocytes circulating in the blood
c. Decreased glycogen stores in the liver
d. Increase collagen synthesis to build bone
b. Increased thrombocytes circulating in the blood
A 17 years old female with short stature and primary amenorrhea. Which is most likely?
a. 46 XX DSD
b. 46 XY DSD
c. Klinfelter’s syndrome
d. Turner syndrome
d. Turner syndrome
What substance will be accumulated in steroidogenic tissues in (congenital adrenal hyperplasia)?
a. Cortisol
b. ACTH receptor
c. Deoxycortisone (DOC)
d. DHEA
e. Cholesterol Ester
e. Cholesterol Ester
Which of the following types of obesity is strongly related to cardiovascular problems?
a. Apple type
b. Pear type
c. Female type
d. Male type
e. Subcutaneous
a. Apple type
Two studies were done to look for an association between obesity & asthma in children. If the OR was similar in both why is the CI wider & the p value larger in the second study
a. Bigger systemic error in study 2
b. Smaller sample size in study 2
c. Study 2 probably had more older people
d. Measurement were not standardized
b. Smaller sample size in study 2
The q had a table that showed CI & p value of both studies